/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineUserCloudInterface.h
Copies the file data into the specified buffer for the specified file
true if the data was copied, false otherwise
bool GetFileContents ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & UserId, const [FString](API\Runtime\Core\Containers\FString) & FileName, [TArray](API\Runtime\Core\Containers\TArray)< uint8 > & FileContents )